While the doctors writing out scrips for antibiotics does play a role, one of the major factors should be patient education. A lot of people think that antibiotics should be used for minor complaints, such as colds. In addition, one major cause of superbugs is the failure of patients to complete a course of antibiotics. They feel better, so they simply stop taking the medications.

...Sarah and John Connor will come by with a big guy from the future to get it back soon.

It certainly is an interesting hypothesis. However, their sample is now limited to terrorist:engineers. A test of this theory would be to check the engineers of other religious groups for similar traits. It might be the combination of these personality traits coupled with the radical teachings that inspire those individuals to act. However, the tendency might manifest itself in some other way in different religions that don't promote violent martyrdom.